Scale



March 16,1926. 1,571,071

- L. A. OSGOOD El AL SCALE Filed August 4 INVENTOR 7 4 1 1 M ATTORNEYMarch 16,1926.

L. A. ossoon ET AL SCALE Filed August WNVENTOR BY v 2 Sheets-Sheet 2ATTORNEY DJ *siAarssif 5,, :LQUIS A" scoonvon s :JoHNsiUnY, VERMQNTQAnfELMER weir; or SEEING! and ELME YE; Yvon respectively, y and 1110;"respectively, I" and useful Improiieinen'tsinf .cales, ofwhiclfthetollowing is a ffull, clear; and; exactdescription, such as willienableothers skilled'in the art to whi ch-j itflalipe'rtain s to niake and-usethe same;

tioniwit'h fa e Q ls type; r these improvements heingf'p'ri'inarilydedicated to the' provision of" a colinterpoise, wh ch1sparti'cularlyiintendedfor use as apart of ":1. '"e, system,'althonghthe invention is not necessarilyrestrictedto"this'aise'.

is;'kanToloject of -the present invention to provide a devicewhi'ch,viewed in its broadest; aspects, is an iinproVed-fcounter-"' it poise,thisi'derice embracing a mechanism of extremely simple constructionwhich is disv pose'dfin association with the inie'chanism of joperationl'offlthe e aga w I Wintmledto I v c tare systenifiandwin"whichthe settingof th'e f to incor a scale "in sLich a nianne'r that thenormal ei eawaa;

v device of the character stated, with which there will beassociated a'regist'erlng nature as b] ctFof thein vennail .fbe ermedfanentralfpo'int =of=sightwv11ich' r'ect V reading of the indiciia) Iject' of"theI reSent nvention 'ha tfof furnishing se' in connection witha part may be" deterni ned' hyf a idirect readi G 'ing otthe e l" nisnfo that play between n no wise inter-' It 1s fnrtherob ject"ottlieinyention,to" v provide c 7 poratein the device a means where whfi the' registering edium may-The read far more-readily than has 11ertofqre '=been posslible; *this reading fleeing effected in" such a Imanna Jth'at a minimum oftinie will be lost elative positions offthe' tobe taken into consideration in the result arrived at by this reading.

-Still; another i object of this invention that of furnishing a'scalerincorporatinga mechanism consistent with the accomplishm'e'ntofthe'obj'ects already reviewed, and" 131.1); on ognssre vonsTo nnmlnamnnnxs Ann communes s'r. JOHNS- 1 U Y,yEMoNn-Acongonasrxon'01s,vnmvron'r. t

which will also: preferably embrace a dial to accomplish this result.

' Otherobjects oftheinvention after. 7

position, in order of any desirable type, an operatorbeing en abled todetermine the readings of both the mechanism and dial without it beingneces sary' for him to change his f This intentionrelatesito' a scaleandaims rovi et certain improvements jinfconnc features ofconstruction,"combinations of elements-[and arrangement .of parts, whichwill be exemplified in the constructions hereinat'ter setforth and thescope ofxthe ape plication claims.-

of which will b'e indicated in the I For a fulleriiinderstanding of thenature and "objects of the invention, referenceshonl'd be had tothefollowing detailed dcscription taken in; connection with the accor'npanying drawings, in which: I

I 1 F lg. 1 isa fragmentary front elevation of" ascale embodyingtheconstruction Offthe present inVenti01i 'a11d'showingfcertain of the iexterior portions of the sanie broken away, I

to disclose the underlyingstructure.

Fig; 2 is an enlarged front elevation of parts of certain of themechanism embraced in the present scale, this View, beingqtakenr alongthe lines2'2'andin. the direction of the arrowsindicatedinFig.3.

"Fig.3 1 s mechanism as shown in Fig; 2.

" Fig". a is a sectional View illustrating Ito connect the cou'nconstruction. employs te'rpoisewith the main" beam;

Fig. 5 1S anenlar'ged the faceplate of the scale.

Figf6 isan enlarged fragmentary,. partlyf sectional, front viewof adetail of the scale 1i1echanis1n as'shown inFig, 1," and f- V connterpoise particu- 7 is asectional sidej view taken along the lines'-7'7and in the direction of the arrows; indicated in Fig. 6;

a transverse sectional View of the v fragmentary Vie 1 fift i dyibekissociated with c 60 i ablyfisupported upon' the, tare beam 22bymeans 'of braoket'sj, 24isrja slide '25-", ,which [carries anangularlyidisposed-face Plate 26 that a balance weight 16 "maybeconnectedfl housing The scal'e may include aregis tering" mechanismembraclng a dial 11. or"

with one. endfof the; main beam 13,2 while a dashpot 1-7 maybeassociated with the'opposite end-thereof, Lit-being understood that 7all of the mechanism aforementioned, serves toi'lnsure a-properresponseriof thepointer 12;-

when a rload has been; deposited upon the platform or other' ;weightreceiying,-device l of1the -scale, this response fbeing, ofjcou'rsesubject-Ito"theproper;counterbalancing of i '"the load.: I

YReferring nowito vas welliasFig.

itwill' be noted that in the present; embodi:

ment ;of thei-nventiomthe housingrlt) is formed with an oifset'lpo'rtlon1 8 adjacent thelower edge of that portion oft-the hous-f ingwhichinclosesfthejdial, and the housing at this'point is. provided with anopening through which an' operator viiuay; view the interior of thescale without 1t being necessary-forfhim to. changethe; position whichgjhe assumes during the reading of theydial. .Within thescale'housingand adjacentithis opening, .:a beam supportlgis positioned, and thissupportcarries'suitablebearing-portions upon 'whichthefpivot 'member 21'ofthe 'inain' beam' l3 rests, and thus; it-is obvious,

1 upon a weight; being removed froinor de- 6 posited upon-@the'weight-receiving portion incorporated in thel scale,- that thebeam 1 3 Ywillbefrocked y means Of the rod 115, and this. roeki'ng movement willbetransmitted the tape l i to the-registering mechanism;

. In-lithe presentj instance, it will be se'en Ithatthecounterpoiseprovides a tare device; andthat the actualloadsupported, upon the 'lwei'ghti receiving member 1 of. the scale, is;

' counteracted by a weight; er; other suitable medium, It; is tobeunderstood, however, 1 as will readily; be apparent, that the devicewhichwillbe hereinafter described, and

' 'which in' the presentembodimentforms the.

i the poise embraces-a counterweight in-the" tare men1ber,"might-readi1y:be' employ edfor thepurposebfg weighing the load.

In 7 this ex emplificatfon? of the inventi'on;

nature of a poisebeamiincluding a tare beam 22, which is}frigi'dlyfattached ,to; the main "beam and in advancethereof by J'neansof studs 23" extending: between the two; -Mov-' arranged tomovegjin line.with lthe opening oftheolfisetportmn l8 of the housing.

preventedincidentto the fact that an ob ,struetlonisuch as a um- 49 isassociated witl -that theo'pening in the, offset portion 18; of;

carries 'a jba-r' 27 having its: lower edge serrated and'engaged" by a'pinitn 'ss mountedupon a shaft 29.-'-1This 's'liaf-t is, supported bythe scale mechanism in that, a' portion otthe' same is-enclosed byawslee've 30, to p which one.-.end of; abracket 31' is attached;

the opposite endof this bracket being se-' cured to'the beam 22,,thepartslbeing-so disposed thatthfe axis' ofthelshait v291s in scale pivot21 as has clearly been illustrated n F g. The sleeve 3Q;extends-through"an opening inthe housing-mend the shaft 1Q 29. projects Lbeyond thesleeve and has fa knurled'nut 32-lattached toits body so that byrotating the nut, the pinion28 turn ,s to reciprocate the, slide. 25,along thefbea mfl 22 -Inthis connection it is to be under-1, stood thatthe movement of the poise beam i rearward. of [its most "retractedfposition is;

one end oi the tare beamf22, andllin thiss position{thev adjacentbracket 24; contacts with this pin, Also, a movement beyondpredetermined point in; an: opposite direction;

is prevented meansfof; an obstruction, such s as a similar pin, whichengages the when fthe' poise is projected second bracket to thisposition.

1- ..NOW Witha w t breathin 43 5; Ofthe i ifi locking deviq may be anismpreventingan accidental disturbance of a limited, longitudinalmovementialong,

the end'of the shaft 29 which is squared fat this point. A screwthreaded; pin. ;-33

is attachedxtofthe end ot the shaftland forms apart of the ;lo ckirrgdevicearid mountsa, lock nuti34s. ,Thus; although as 'aforestated, thesshaft' 29 ,may; readily .be;

turned by; the {knurled nut 32, it lwill bel obvious that the latter maybe tightened to.- bear-against theend of. the vsleeve30,10 1; i

simply turning the-lockinutf34- so'that all of the parts are fixed withrespect toneach other, andno. accidental moyement :of th 1 poise beammay occur;

In ord'erfthat'the poisebeamolnay v 'great'capaoity and cover agreatrange'ot Weight'iyari'ations, anindexstrip- 35:1is afar fixed to theface plate 26; and willlbe apparentyin Fig. 5, this ,fst'rip has upon,its; upper surfacea minutely-1 subdivided scale: 36'. 5 Due to" thelimited space available the graduationsare such as-to be hardly capablof being read with .any degree of accuracy'i by thenaked eye, and thusit is prefer re for a purposehereinafter brought out, and

Withfl'a wiew, iqf po itrv l fmotihg um slide- 25 longitudinallyoi thetare "beam; it w ll be. noted that the former preferably the-scale suchextent aslto, render the same readily capable 2 ref being reads-j Inorder "to facilitate this reading, a pointer 89" may be supported by aorder 'tov'ffnrther renridve the" possibility of =e'rror""'ccurring,it'ist'ofb'f' noted that ituisi preferred; as has been shown i-n Figl*5; that" every naing;'ri-idu'ation (tt)"of the'jindex,be indicatedby arelatively heavy line, and for diiati'ons of the index; and in Iexample; adj acen tf eyery fifth of these main graduations an indicatingmark "or numeral {(b') be proyided,"{Between each of'the "maingraduations "there 'are arranged jajseriesy.

of'sub-grfadirations (a) andjeach of the sub- I i '7 gi'ladiiations ofany series, is tof increasinglya greater f length; f Thns' 1 {anoperatorat a glanc'e; will be able toj ascertain the exact s'ettin'g ofthe ,7parts I in that the pointer 39 I Will'register with" th at grad-nationwhich indica'tesffthis 'setting and 't'he-" alue of the igraduation; in qiie'stion n ay'be'fimrnediately ildiieftolithe"dissimilarity'of 'ad-I' ,greater'dength oftheisamewhichservesfto jacent" gradiiations :and' the increasingly facilitatethis resnlt being achieved.- In this connection it is to; be noted" thatno inaccuracyban 'occur,dne' 'to play which maycome into existence"betweenjthe' parts 0r due to other causes, in that incident'to theaxial r alignment ofthe shaft 29 with the bearing edge-0r thebeamp'iyot21', it is apparent that these i parts will always {be in properly .cor-

related-position, Also, for the reason that pointer '39 is carried' bythe bracket 31,

' Jit*willi'not be ine'cessary;to take into'con S d.rationanyiinclination' otthe beam is F110 I I 7 I that while 5 *play thei'iactthat the connterpois'eis locked rela veto this-beam Also, it -lis'obvious, between the )rack and f pinion might; be talieri loy 1 anysuitab'le adjustmentyjthi play. Vi ifn'otfresult in a5;"fatiltyjreadinp"by ,1'rtueofQthe factthat the scale- I iiiore for theiea sonfthat thelense 3,8'is of t1 e--'s1jiier;a1-'typetheinne of visiontherethro gh gwill 'b'radi atiom 361's car ed by peisaand further 1- bef'coneentrated 1 "upon that I h'ich *und erlies lth'eIpdiriter "and :I Ifin exactiregistry the reWith; In: other words;tliereadingwill bedir madaneu- I tralpoint; of' si'glit fwillbe pi ovided.

\Yith a1 yiew of rovid'ingiimeans: serving toglock th'ei beam 18*against moi ement so that" the load -supiport ng means of; the scale 3may be correspondinglyiheld against move ment; or :thetaresystem may beaccurately setfit willibe noted an opera-ting mem;

b in thenatnre'ota crankfioyextencls be- 95 1mm and-is,liio' fablyinonnted upon the housing 10 by means ofa shaft "extending through thesame and aleveii' 41 ,is attached .tojthejinner end 0t the shaft and isconnected 'ineans of'a link 42'With abellnicrank 43 (,5 which is.carried by a s'uitable' support 44;

The end l of "the beam 13 maybe rediiced' as at 45f'and extends into anopening 46 with .43 is movably' I disposed, and a setscrew 48 alsoextends'into the opening 46 and is mounted so that its-inner end extendsinto -in=yvhich the second arm 47 of. the bellcrankfi a p'lane occupiedby the end of the main uppermost position. I I a --'ll1us,* it isapparent that when the oper ating member 4O 1is swungythe link 42 will 1be 1 correspondingly moved to rock the bell crank 4 3,=and assumingthatthe latter is'in' the position indicated in dotted lines inFig. 6, 'it'Will'be apparent that the -arm-47 of the same Will be s'WiIng nntil-itengages the nnder side of th'ei reduced portion 45 oiithe face of thesame to causethe upper sface" of thiszpartto bear-against theinnerendof-the beam 13" when -the latter is swung fto itsi beam; '13 andpresses against thefunder s'ur-- setIscreW48, as'in full lines,- itbeing-noted i ill'bealocked..?

tem" is normally in the position indicated in Fig. 1,'i. e.',virtuallythe entire body ofith e same is disposed wholly to one side ofthe;

pivotniember'21 0f the main beam. 'Ifit is desired to individually Weighthe contents that when'the parts are in this position, they.

IE, The poise beam constitiltingthetare of-anumber of receptacles,and-the weight of the latter is not known, it will be under-i stood thatthis eight may befla'scertained byplacing an empty receptacle ofa'similar type on *the platformnand. turning the kn'urledjknob or nut-32until the poisebeam acts as'a cou-nterpoise and 'counterbalan'cestherec'eptacle; at which point the poise beam is} locked by means-ofjthe nut- 34. The Weight of the receptacle," may also; be ascer tainedby means of the otherweighing mech anism incorporated in the scale andafter.

this weight has been determined, the beam 13, may be locked againstmovement by means of the operating member 40,v lever 41, etcl'," andth'e tarefmember may be set .toprovide a counterpoise I of avaluefacorresponding to r the Weight ofthe receptacle sub'sequent'to'which the poise 'beam involvingwthis tare ticnlarfly intended; for iiseI as, a- {tare neni- I her, this memberhavm afar} greater capacity thanhasFheretofore been" possible in connection :,withdevices of' thischaracter,

ioo"

including a-"shaft, sleeve carriedfby the L beam, said shaftlbei'ngsupportedfby said sleeve and extending beyond the same, oper-l atingmeans carried by the extending pore tion of said shaft, and meanscooperating wv'ith said operating'dneans for locking said shaft. 1

fpivotallyymounted beam',a poise beam mov 6;; A scale including,

'for locking said poise actuating means; I

7. A S6Ll6"1n(3lUCl1Ilg,.1Il.CO111blI1ELt1OI1,-a,

-able" with;respectthereto, a housingenclosing said beam, poiseactuating means ex;

terior' of, said housing and connected with said-poise, said, actuatingmeans beingmov fable, Withisaid'beam, and means for locking said; jpoiseactuating means, said locking 7' means 'preventlngfa "movementofsaid'parts" BkAIscale ';includin relativeflto said beam;

ably connected with .said beam, actuating means connectedifivith saidpoise for shiftingthe same, fajshaft form ng a part oi said-"actuat'1ng'means, and a sleeve carried by aid m a d ne n said shaftfor sup;

porting theilatt V;

s ale-'- including, combination, a

pivotally f'mo'unted beam; poise movably connected with'said beam,actuating means,

'- lfconnected-withsaid poise for shifting the r same, ashaftaformi'n'gapart of said actuat- ,iing 'means, fa sleeve carried "by said beam, *0

said! shaft bein supported by said sleeve and extending beyond the same,operating I means carried 'bywthe extend ng portlonof -gsai d='shaft,and a lock .nu't" carried by said" '5shaft]andpengagable With saidactuating c ineans for) forcing the latter into locking 'contact withsaid sleeve" 1 10.. scale including? 1ncombination, a -pivota1;lymounted; b eam, a poise carried by said beam, actuating -means for saidpoise, a said actuating means includinga shaft, supporting means forsaid shaft, operating means carried by, saidv shaft,-1and locking.

n' combinationfa pivotallv mounted beam, a poise beam mov-i v.jith'respect tl1e 'eto,ahousing enclosing V 7 said beamypois'eactuating vmeans exterior of I said-housingandconnected-withsaid poise,

said actuating meansjbeing normally im movable-relative to said beam,and means in combination, a 1

pivotally mount'edbeam, 1a poise beam movfor locking said beam. V 1 c IntGStl-IIIOIIy'WlIGI'BOf We aflix our signa means also carried by saidshaft and adapted to force said operating means into.

locking said actuating means.

contactwith said supporting means for tuating means :for moving saidpoise beam with respect .'to said pivotally mounted .beam,*,means forlocking said actuating means, and indicia associated with said poisebeam. 1 12. A scale including, pivotally mounted beam, a 'poise beam,actuating meansfor moving said poise beam with respect to said firstnamed beam,

11'. A scale including,lincombination, -.pivota1lyjmounted beam,a'poisebeam, 'acin combination, a

means for locking! said actuating means,

and-: means for locking said first named beam agamstmovement.

.13. A scale including, incombination, a

- With respect thereto, a graduated scale car- V ried by SllClPOlSG, andapo nter carried by pivotally: mounted beam, a .poise movably 1connected With said beam, a polse shifting means including a shart inaxial alignment said-beam,and registering with the graduations of saidscale. V I

v 16. A scale; 1nclud1ng,'1n combination, ,a

pivotally mounted beam, a poise movable v "with respect thereto, ascale'carried by said poise," amounting member above said'scale, and amagnifying means carried by said mounting member. I

17; A scale including,iin combination, a

off pivotally mounted beam, a poise -movably connected thereto, poiseactuating -means,-- lndlcla associated with said polse, means forlocking said actuating means, and 'means tures. r I

; LOUIS.;A. OSGOOD.

ELMER E. WOLF.

